plastic pallet for block making Maintenance free,with long time lifespan.Very hard ... 3.water resistent4.Life is over 10 yearsplastic pallet for block making machine :Product physical and mechanical properties:ItemSpecificationsDensity1.30-1 ... reinforcement,intergrate by high temperature and high pressure,will never open,nor crack,nonabsorbent,no deformation,impact resistance,high temperature resistant ...